Finding the Fourth Proportional to 2,031.08, 2,801.86 and 1,283.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.08 : 2,801.86 = 1,283.78 : x
2. Step 2: Convert to fraction form
   2,031.08/2,801.86 = 1,283.78/x
3. Step 3: Cross multiply
   2,031.08x = 2,801.86 × 1,283.78
4. Step 4: Simplify right side
   2,031.08x = 3,596,975.63
5. Step 5: Solve for x
   x = 3,596,975.63/2,031.08
6. Step 6: Final answer
   x = 1,770.97